. 2022 Mar 31;5(3):e225318. doi: 10.1001/jamanetworkopen.2022.5318

Table 1. Prevalence of Lung Cancer Screening by Demographic and Health Characteristics, Among Individuals Representing 3.68 Million Screen-Eligible US Individuals, 2017-2020.

Variable	Total, unweighted No. (N = 14 550)	Underwent screening, unweighted No. (N = 2248)	Underwent screening, weighted % (95% CI)	P value	Missing^a
Self-rated general health
Excellent	846	96	7.6 (5.0-10.3)	<.001	49
Very good	3195	365	12.8 (7.8-17.7)
Good	4966	670	15.4 (12.4-18.5)
Fair	3488	641	20.6 (16.6-24.7)
Poor	2006	468	25.2 (20.6-29.9)
Race and ethnicity
Non-Hispanic Black	446	58	12.0 (4.3-19.7)
Non-Hispanic White	12 955	2011	17.5 (15.6-19.5)	.57	219
Other^b	930	139	15.0 (3.5-26.5)	.57	219
Age, y
55-64	7023	910	15.2 (12.5-17.8)	.04	0
65-79	7527	1338	19.2 (16.5-22.0)	.04	0
Sex
Male	7802	1191	16.0 (13.7-18.2)	.28	5
Female	6743	1055	18.2 (14.9-21.4)	.28	5
Marital status
Not married	8053	1269	18.2 (15.2-21.3)	.22	60
Married	6437	970	15.8 (13.5-18.1)	.22	60
Educational attainment
High school diploma or less	7125	1086	17.2 (14.5-19.9)	.81	26
Some college or more	7399	1158	16.7 (14.0-19.4)	.81	26
Difficulty paying for medical care
No	12 849	2041	17.9 (15.8-20.1)	<.001	38
Yes	1663	200	10.1 (7.4-12.8)	<.001	38
Body mass index^c
<18.5	338	77	19.3 (10.5-28.2)	.42	579
18.5 to <25	3946	659	17.8 (14.4-21.1)
25 to <30	4878	696	17.2 (13.2-21.2)
≥30	4809	738	16.2 (13.5-19.0)
Smoking history, pack-years^d
Quartile 1: 30-39	3729	427	12.9 (8.8-17.1)	.003	0
Quartile 2: 39-45	3633	527	15.1 (12.3-18.0)
Quartile 3: 45-58.75	3756	668	19.7 (15.8-23.6)
Quartile 4: >58.75	3432	626	21.1 (16.9-25.4)
Difficulty walking or climbing stairs
No	9363	1291	15.4 (13.1-17.8)	.04	60
Yes	5127	947	19.7 (16.4-23.1)	.04	60
Difficulty dressing or bathing
No	13 090	1947	16.3 (14.3-18.3)	.06	27
Yes	1433	296	23.2 (16.4-30.0)	.06	27
Difficulty doing errands alone
No	12 482	1834	16.2 (14.1-18.3)	.02	55
Yes	2013	405	22.3 (17.6-27.0)	.02	55
Chronic kidney disease
No	13 593	2072	16.7 (14.7-18.7)	.38	58
Yes	899	161	20.5 (12.3-28.7)	.38	58
Arthritis
No	7038	958	15.4 (12.6-18.2)	.09	88
Yes	7424	1279	18.7 (16.1-21.4)	.09	88
Chronic obstructive pulmonary disease
No	9241	996	11.2 (9.0-13.4)	<.001	49
Yes	5260	1248	27.6 (24.1-31.1)	<.001	49
Asthma
No	12 679	1849	16.2 (14.2-18.2)	.09	136
Yes	1735	368	21.9 (15.7-28.0)	.09	136
Vascular disease^e
No	10 617	1518	16.4 (14.1-18.8)	.31	29
Yes	3904	723	18.5 (15.3-21.6)	.31	29
Diabetes
No	11 329	1720	15.7 (13.6-17.8)	.01	23
Yes	3198	525	21.7 (17.4-25.9)	.01	23
Personal history of cancer^f
No	12 317	1618	14.7 (12.6-16.7)	<.001	50
Yes	2183	615	31.2 (26.1-36.3)	<.001	50
No. of comorbidities^g
0	3354	316	11.0 (6.8-15.2)	<.001	0
1	4434	576	13.8 (10.8-16.8)
2	3449	634	19.7 (16.4-23.1)
≥3	3313	722	25.4 (20.8-29.9)

^{^a}

Individuals with missing values were excluded from the analysis. For all categories, less than 5% of data were missing.

^{^b}

Other race is defined as American Indian or Alaska Native non-Hispanic, Asian non-Hispanic, Native Hawaiian or other Pacific Islander non-Hispanic, other race non-Hispanic, multiracial non-Hispanic, or Hispanic.

^{^c}

Body mass index is calculated as weight in kilograms divided by height in meters squared.

^{^d}

Smoking history is defined as mean number of packs smoked per day, multiplied by duration of smoking in years.

^{^e}

Vascular disease is defined as prior myocardial infarction, coronary heart disease, cerebrovascular accident.

^{^f}

Personal history of cancer excludes skin cancer. Individuals with a personal history of lung cancer were excluded from the analysis.

^{^g}

Comorbidities are defined as the following: chronic kidney disease, arthritis, chronic obstructive pulmonary disease, asthma, vascular disease, diabetes, or personal history of cancer other than skin cancer.